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Web3Coach Profile picture
@Web3Coach
Sep 9, 2021 • 6 tweets • 3 min read • Read on X
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The Blockchain Bar Chapter 15 is released! 🍾

Check your inboxes!

Everyone who purchased the eBook is now getting a new bonus chapter with 30 extra pages on forks and consensus.

I hope you didn't make plans for weekend. Time to practice some blockchain programming in #golang! Image
Very handy feature @gumroad - I didn't know I can directly send an email to the customers so they download the new eBook version! Image
@gumroad The fork is scheduled for block number 35! Image
@gumroad You learn:
- why a fork happens
- how to plan a consensus fork
- how Ethereum Improvement Proposals work and you will practice by implementing "The Blockchain Bar Improvement Proposal (TIP) 1" requiring each TX to have 2 new attributes: Gas + GasPrice
@gumroad The fork block 35 contains 1 TX with Gas: 21 and GasPrice: 1 and is currently being mined.

The Proof of Work is getting a bit unlucky. It's taking an unusual amount of computations to mine this block:

99M hashes and growing (usually few M is enough). Dramatic effect: Image
@gumroad The Blockchain Bar successfully forked at block 35 after 121M hashes.

The block contained 1 TX with Gas: 21 and GasPrice: 1.

FORKED! Without breaking consensus haha 🥳 Image

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More from @Web3Coach

Web3Coach Profile picture
Jan 26, 2022
Introducing: Blockchain Roadmap for Backend Developers!

Everything I know about blockchain after 4 years in crypto. Use these 30 tutorials + eBook to:

• Learn Web3 architecture
• Program blockchain components in Go
• Read, Write Smart Contracts

web3.coach/backend-develo…

🧵👇
Part 1: You start with high-level Web3 architecture

What components make Web3. You learn what value each component brings to the end-user and its stakeholders.

As you progress through the roadmap, you will master each component one tutorial at a time.

web3.coach/web3-architect…
Part 2: Learn basics of GoLang

Most blockchain backends, DevOps tools, and scripts are written in Go. It's a versatile, highly paid, yet beginners friendly language.

It's fantastic for distributed systems and provides solid performance.
Read 13 tweets
Web3Coach Profile picture
Sep 11, 2021
Ethereum <> Solana 🧵on technical differences.

Disclaimer: Ethereum is unmatched and irreplaceable because of its innovative community with SKILLS, EXPERIENCE, STABILITY, MOMENTUM.

This thread is from a programming, protocol curiosity so we all grow by learning new concepts.
1. Positioning

Yes. Solana is positioning as a direct Ethereum competitor. It refers to other blockchains as "legacy chains".

It arguments that gas costs $ are unacceptable, and that 15 mins block times are too slow.

Solana claims:
- fees: $0.01
- block time: 400 milliseconds
2. Solana brings new technology to the table and that's admirable.

Majority of "Ethereum killers" are basically go-ethereum forks with swapped consensus (usually PoW is replaced by PoA).

Sol architecture is very different and from a quick research... it seems pretty smart 👇
Read 14 tweets
Web3Coach Profile picture
Jun 21, 2021
How to become a Web3 blockchain developer?

I program Ethereum apps since 2018, and my goal is to bring 1000 developers into the blockchain ecosystem.

If you want to learn distributed and decentralized systems, I will share all my knowledge with you in this WIP roadmap🧵
📒1. Learn the fundamentals - blockchain is a database.

Start by building one from ground zero to really understand this peer-to-peer tech.

Your beginner's friendly story guide on:
- transactions
- mining
- consensus
- wallets
- cryptography

freecodecamp.org/news/build-a-b…
☁️2. Your blockchain application needs decentralized storage.

Blockchain is fantastic for managing state, automating processes via Smart Contracts, and exchanging value.

Where to store users' content? In @IPFS.

Read this guide to learn IPFS in-depth:

freecodecamp.org/news/technical…
Read 5 tweets

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